3M Overspray Masking Liquid Dry, 1 Gallon. Protective film is lightly bonded to vehicle, easily protecting hard-to-mask surfaces. With no harmful solvents, it's safe for the user and the vehicle. This sprayable masking dries to a see-through clear film. Washes off easily after the project. Humidity will wash off the protected area. This product will not act as plastic sheeting, TLC and know how is a must, only should be used at the final stage of painting or subjects should all be indoors with less of to no humidity since the dried film will DISSOLVE, leaving your subject matters unprotected. 06847